Jaspersoft Reports Run from PPM Reports and Jobs Fail

Jaspersoft reports scheduled run from Reports and Jobs fail after a period of time.

Steps to Reproduce:

1. Navigate to Home>Reports and Jobs 2. Select a report from the list. 3. Select Scheduled and uncheck Immediately under When. 4. Select today's date and time for the start date 5. Scroll down and select Set Recurrence 6. Set the report to run via crontab, customer used "*/15 * * * *" to run every 15 minutes. 7. Submit the scheduled report.

Expected Results: Scheduled reports run every 15 minutes until paused or canceled. Actual Results: Reports run as expected for a period of time, then fail. Once the scheduled report fails, it continues to fail.